/*
 * Copyright 2008 Sun Microsystems, Inc.  All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of Sun Microsystems nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package org.jdesktop.mtgame;

import java.util.ArrayList;

/**
 * This entity component consists of a collection of processor componants
 * 
 * @author Doug Twilleager
 */
public class ProcessorCollectionComponent extends EntityComponent {
    /**
     * The list of ProcessorComponent's
     */
    private ArrayList processors = new ArrayList();
    
    /**
     * The default constructor
     */
    public ProcessorCollectionComponent() {
    }
    
    /**
     * Add a processor
     */
    public void addProcessor(ProcessorComponent pc) {
        processors.add(pc);
        Entity e = getEntity();
        if (e != null) {
            WorldManager wm = e.getWorldManager();
            if (wm != null) {
                wm.getProcessorManager().addComponent(pc);
            }
        }
    }
    
    /**
     * Get the processors
     * @return
     */
    public ProcessorComponent[] getProcessors() {
        ProcessorComponent[] procs = new ProcessorComponent[0];
        
        procs = (ProcessorComponent[]) processors.toArray(procs);
        return(procs);
    }
    
    /**
     * Remove a processor from the collection
     */
    public void removeProcessor(ProcessorComponent pc) {
        Entity e = getEntity();
        if (e != null) {
            WorldManager wm = e.getWorldManager();
            if (wm != null) {
                wm.getProcessorManager().removeComponent(pc);
            }
        }
        processors.remove(pc);
    }
    
    /**
     * Remove all processors from this collection
     */
    public void removeAllProcessors() {
        int len = processors.size();
        
        for (int i=0; i<len; i++) {
            // This relies on the fast that removeProcessor shrinks
            // the processor array list
            removeProcessor((ProcessorComponent)processors.get(0));
        }
    }
}
